Video: Atlas 5 GPS 2F-8 Launch Highlights

This is our comprehensive fact sheet previewing the United Launch Alliance Atlas 5 rocket deployment of the classified NROL-42 payload for the National Reconnaissance Office.

The 200th Atlas-Centaur rocket, history some 52 years in the making, will blast off Tuesday from Cape Canaveral to deliver a U.S. Navy mobile communications satellite into orbit.

The Atlas 5 rocket lifted the SBIRS GEO Flight 3 missile warning sentinel into orbit, advancing space technology for surveillance and security.